Bosch dishwasher E05 points to wash-arm diverter circuit fault at the main control board. Start with the safe checks that apply to this system and stop if the warning returns.
Bosch dishwasher E05 points to wash-arm diverter circuit fault at the main control board. Start with the safe checks that apply to this system and stop if the warning returns.
Model compatibility: Bosch reuses codes across series and model years, so E05 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
The verified Bosch meaning for E05 is wash-arm diverter circuit fault at the main control board. Treat that wording as the technical anchor for this page. The displayed code narrows the system that needs attention, but the complete E-Nr and observed behavior are still important before a repair decision is made.
Signs
Symptoms you may notice
wash performance may become uneven
spray-zone behavior may change
the program can stop with a code
the warning may return after a restart
Why it happens
Possible causes
wash-arm diverter actuator/circuit fault
wiring fault in the diverter path
main-control fault affecting diverter operation
Before you call
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
Record the exact code and model number.
Check only for obvious user-accessible loading problems that might obstruct a spray arm.
Use a single normal breaker reset where Bosch directs it.
Do not open the diverter motor or control-board circuit.
Important safety warning. Stop for leaking, electrical smell, smoke, or repeated breaker trips.
Get help
When to call a technician
A returning warning needs diagnosis of the diverter actuator, wiring, control circuit, and related wash-system components. When requesting service, include the complete Bosch model/E-Nr. Similar-looking dishwashers can use different controls, pumps, drying systems, and diagnostic logic.
Seeing this code on your Bosch appliance?
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